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A common feature of many websites is a contact form. SimpleMailer – is an end-user friendly contact form plugin, it is quite easy to configure and customize. The basic plugin has been kept extremely simple to allow an easy and quick implementation in your WordPress site.
SimpleMailer supports SMTP by default, but if you like, you can also use the PHP mail() function.
Standard SimpleMailer form submits data via “normal” browser request(POST), but you can make them nicer by using AJAX to submit the form data in the background.
This plugin was developed completely object-oriented and requires at least PHP 5.6 >. SimpleMailer places a great importance on the security of sensitive user data such as the password and treats it with special care.

SimpleMailer Contact Form

SimpleMailer - is an end-user friendly contact form plugin, it is quite easy to configure and customize.

Adrian D

SMTP Form Master is the ultimate WordPress contact form solution that combines powerful SMTP email delivery, professional HTML email templates, intelligent spam protection with Google reCAPTCHA v3, and a flexible form builder – all in one plugin!
<h4>🚀 Why Choose SMTP Form Master?</h4>
<ul>
<li>Reliable Email Delivery – Configure custom SMTP servers (Gmail, SendGrid, MailChannels, Amazon SES, etc.) for guaranteed email delivery</li>
<li>Professional Email Templates – Create beautiful HTML emails with customizable templates and dynamic variables</li>
<li>Advanced Spam Protection – Google reCAPTCHA v3 (invisible) protects your forms without annoying CAPTCHAs</li>
<li>Flexible Form Builder – Build any type of form with 8+ field types and custom styling</li>
<li>User Confirmations – Automatically send professional confirmation emails to form submitters</li>
<li>Admin Notifications – Receive formatted email alerts with all submission details</li>
<li>No Coding Required – Beautiful React-powered admin dashboard with intuitive interface</li>
<li>Lightweight & Fast – Only 30KB minified, optimized for performance</li>
</ul>
<h4>✨ Key Features</h4>
SMTP Email Configuration 
* Support for all major SMTP providers (Gmail, Outlook, SendGrid, MailChannels, Amazon SES, etc.) 
* Secure authentication with username/password 
* SSL/TLS/STARTTLS encryption support 
* Test connection feature with detailed debugging 
* Password visibility toggle for easy setup 
* Compatible with third-party SMTP services
Advanced Form Builder 
* 8+ field types: Text, Email, Textarea, Number, Checkbox, Radio, Select, Date 
* Custom field labels and placeholders 
* Required/optional field settings 
* Multiple form skins (Default, Modern, Minimal) 
* Modal popup forms 
* Inline embedded forms 
* Responsive and mobile-friendly
Email Template System (NEW in v2.0!) 
* Professional HTML email templates 
* Separate admin and user confirmation templates 
* Dynamic template variables: {form_name}, {site_name}, {form_fields}, {user_name}, {user_email}, {submission_date}, {site_url} 
* Visual template editor in admin dashboard 
* Form fields automatically formatted as beautiful HTML tables 
* Enable/disable individual email types 
* Reset to default templates anytime 
* Full HTML and inline CSS support
Google reCAPTCHA v3 Protection 
* Invisible spam protection (no user interaction required) 
* Score-based filtering (0.0 to 1.0) 
* Adjustable sensitivity threshold 
* Real-time spam detection 
* Privacy policy links included 
* Works seamlessly with forms
User Experience 
* Beautiful success/error messages with styling 
* AJAX-ready architecture 
* Form validation 
* Spam score transparency 
* Professional error handling 
* Accessibility compliant
<h4>📋 Perfect For</h4>
<ul>
<li>Contact Forms</li>
<li>Quote Requests</li>
<li>Support Tickets</li>
<li>Event Registration</li>
<li>Newsletter Signups</li>
<li>Booking Forms</li>
<li>Feedback Forms</li>
<li>Application Forms</li>
<li>Lead Generation</li>
<li>Customer Inquiries</li>
</ul>
<h4>🎯 Template Variables</h4>
Personalize your emails with dynamic content:
<ul>
<li><code>{form_name}</code> – The title of your form</li>
<li><code>{form_fields}</code> – All submitted data in a formatted table</li>
<li><code>{site_name}</code> – Your website name</li>
<li><code>{site_url}</code> – Your website URL</li>
<li><code>{submission_date}</code> – Date and time of submission</li>
<li><code>{user_name}</code> – Name from the form (user emails only)</li>
<li><code>{user_email}</code> – Email from the form (user emails only)</li>
</ul>
<h3>Configuration Guide</h3>
<h4>SMTP Setup Examples</h4>
Gmail 
* Host: smtp.gmail.com 
* Port: 587 
* Encryption: TLS 
* Username: your-email@gmail.com 
* Password: <a href="https://support.google.com/accounts/answer/185833" rel="nofollow ugc">App-specific password</a>
SendGrid 
* Host: smtp.sendgrid.net 
* Port: 587 
* Encryption: TLS 
* Username: apikey 
* Password: Your SendGrid API Key
MailChannels 
* Host: smtp.mailchannels.net 
* Port: 587 
* Encryption: TLS 
* Username: Your username 
* Password: Your password
Amazon SES 
* Host: email-smtp.us-east-1.amazonaws.com (adjust region) 
* Port: 587 
* Encryption: TLS 
* Username: Your SMTP username from AWS 
* Password: Your SMTP password from AWS
<h4>Template Variable Examples</h4>
Subject Line: 
 <code>New inquiry from {user_name} - {form_name}</code> 
Result: “New inquiry from John Doe – Contact Form”
Email Body: 
 <code>html 
<h2>New Submission from {site_name}</h2> 
Form: {form_name} 
Date: {submission_date} 
{form_fields} 
Visit {site_url}</code>
<h4>Best Practices</h4>
Email Templates: 
* Keep subject lines under 50 characters 
* Use template variables for personalization 
* Test emails on multiple devices 
* Include your site name and URL 
* Add contact information for support
reCAPTCHA: 
* Use threshold 0.5 for most sites 
* Lower to 0.3 if legitimate users are blocked 
* Raise to 0.7 for high-security forms 
* Monitor spam score patterns
Form Design: 
* Keep forms short (5-7 fields max) 
* Always include Name and Email fields 
* Use clear labels and placeholders 
* Mark required fields 
* Add a privacy policy link
SMTP: 
* Always test connection after setup 
* Use TLS encryption when available 
* Keep credentials secure 
* Consider dedicated SMTP service for high volume 
* Monitor email delivery rates
<h3>Privacy & GDPR</h3>
Data Handling: 
* Form submissions are sent via email only 
* No personal data is stored in the database by default 
* Admin can control what data is collected in forms
Third-Party Services: 
* Google reCAPTCHA sends data to Google (disclose in privacy policy) 
* SMTP provider receives email data 
* No tracking or analytics by this plugin
Recommendations: 
* Add reCAPTCHA disclosure to your privacy policy 
* Inform users about email processing 
* Comply with GDPR data handling requirements 
* Provide opt-in checkboxes for marketing emails
<h3>Support & Resources</h3>
Documentation: 
* Full guides included in plugin folder 
* EMAIL_TEMPLATES_GUIDE.md – Complete template documentation 
* DEPLOYMENT_READY_v2.0.4.md – Deployment checklist 
* HOTFIX_SHORTCODE_ERROR.md – Troubleshooting guide
Getting Help: 
* Check FAQ section above 
* Review included documentation 
* Visit https://upmvc.com/ for tutorials 
* Contact support through WordPress.org forums
Feature Requests: 
We’re actively developing! Suggest features at our support forum.
Rate Us: 
If you love SMTP Form Master, please leave a 5-star review!
<h3>Technical Details</h3>
Requirements: 
* WordPress 6.0 or higher 
* PHP 8.0 or higher 
* MySQL 5.6 or higher 
* HTTPS recommended (required for reCAPTCHA)
Performance: 
* Bundle size: 25.2 KB (admin JS) + 4.3 KB (CSS) 
* No jQuery dependency 
* Optimized React components 
* Minimal database queries 
* Lazy loading for admin assets
Browser Support: 
* Chrome/Edge (latest 2 versions) 
* Firefox (latest 2 versions) 
* Safari (latest 2 versions) 
* Mobile browsers (iOS Safari, Chrome)
Developer Info: 
* Built with React 18 
* WordPress REST API integration 
* Clean, documented code 
* Hook and filter support 
* Translation ready
<h3>Credits</h3>
Developed by <a href="https://upmvc.com/" rel="nofollow ugc">BitsWorld</a> 
Powered by React and WordPress REST API
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. 
You are free to use, modify, and distribute this plugin.
Thank you for using SMTP Form Master! 🚀

SMTP Form Master

Contact forms with SMTP, email templates, and reCAPTCHA v3 spam protection.

SimpleMailer Contact Form vs SMTP Form Master